♂, Nan, Thailand.		♂, Trat, Thailand.

ON : Erionota hiraca apicalis Jong & Treadaway, 1992 OD : Ent. Zeit. 102(8):135. TL : Bassein, Burma. (♂, NHML) Distribution : Sikkim to Myamnar, Thailand, Cambodia, Vietnam, Langkawi, W.Malaysia, Singapore, Borneo, Nias, Batoe, Sipora, Java, Bali, Lombok.

Erionota thrax thrax var.apicalis Evans, 1932 : Ident. Indian Butts. (2nd ed.) : 373. TL. Bassein, Burma. (♂, NHML). (IFS)

[ THAILAND ]
Erinota [sic] thrax ; Godfrey,1916 : 144. (Bangkok)
Erionota thrax thrax f.acroleuca ; Godfrey,1930 : 374. (Bangkok)
Erionota acroleucus apex ; Evans,1949 : 328. (Siam)
Erionota acroleucus apex ; Pinratana,1985 : 88, pl.30, fig.191,♂. (Bangkok; Nakhon Ratchasima; Chonburi; Chanthaburi; Rayong; Yala)
Erionota acroleucus apex ; Ek-Amnuay,[2007] : 810, pl.372, figs.H223,♂,♂(Un),♀. (Chanthaburi)
Erionota hiraca apicalis ; Kimura et al.,2011 : 85, figs.♂,♂(Un). (Kao Kiewo; Rayong; Kao Luang)
Erionota acroleucus apex ; Ek-Amnuay,2012 : 870, pl.402, figs.H221,♂,♂(Un),♀,♀(Un). (Chanthaburi)
Erionota acroleuca apicalis ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2023- : Butterflies of Thailand, figs. (Chanthaburi; Trat) (accessed: 2023.09.02)

[ CAMBODIA ]
Erionota acroleucus apicalis ; Chartier & Kosterin,2022 : 126, fig.8E. (Kampot; Koh Kong)

[ VIETNAM ]
Erionota acroleucus apex ; Evans,1949 : 328. (Tonkin)
Erionota acroleucus apex ; Inoué & Kawazoé,1970 ; 3-4, figs.132,♀,133,♂,134,♂(Un),135,♀,136,♀(Un),textfig.40(♂,genitalia),41(♀,genitalia). (Thu Duc; Saigon; Trang Bom; Lai Thieu)
Erionota hiraca apicalis ; Luong et al.,2004 : 15. (Cuc Phuong)
Erionota hiraca ; Monastyrskii et al.,2006 : 45. (Thua Thien Hue: Bach Ma)
Erionota hiraca apicalis ; Monastyrskii & Devyatkin,2015 : 81. (N / C / S)
Erionota hiraca apicalis ; Saito et al.,2017 : 76. (S: Nui Cam; Nui Coto)

[ THAILAND ]
Nan : 1♂.

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Chanthaburi : 2♂ (photo by S.Sophonviwatkul).

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Trat : 2♂.

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Ranong : 1♂.

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Pattani : 1♂.

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Satun : 1♂.

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The butterfly is uncommon in montane forests at low to moderate elevations (Alt. 10 - 600m).

Evans, W.H.,1932 : The identification of Indian butterflies. second edition revised.
Bombay nat. Hist. Soc., Madras : 10+454pp, 32 pls, 9f.

Jong, R.de & Treadaway, C.G.,1992 : Notizen uber einige Erionota-Arten nebst Beschreibung einer neuen Art (Lepidoptera: Hesperiidae)
Ent. Zeit. 102(8):133-142.

Xue, G.X. & Lo, Y.F.P.,2015 : A taxonomic note on Erionota acroleuca (Wood-Mason & de Nicéville,1881) stat. rest. (Lepidoptera: Hesperiidae)
Zootaxa 3926(3):445-447.

♂, Chanthaburi, Thailand. (photo by S.Sophonviwatkul)	♂, Chanthaburi, Thailand. (photo by S.Sophonviwatkul)

1999.09.11 - 2023.09.30.